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How to implement Enums in Ruby?
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Wouldn't a module be better to group constants - as you're not going to be making any instances of it?
– thomthom
Mar 14 '12 at 13:37
3
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How to find the kth largest element in an unsorted array of length n in O(n)?
...e algorithm (introselect):
Select(A,n,i):
Divide input into ⌈n/5⌉ groups of size 5.
/* Partition on median-of-medians */
medians = array of each group’s median.
pivot = Select(medians, ⌈n/5⌉, ⌈n/10⌉)
Left Array L and Right Array G = partition(A, pivot)
/* Fin...
How to put spacing between TBODY elements
...a "quick and dirty" way.
I've used empty rows in past projects to space groups of table rows. I assigned the spacer rows a css class of their own and defined a height for that class that acted as a top and bottom margin for that group of table rows.
.separator{
height: 50px;
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Is it possible to declare a variable in Gradle usable in Java?
... setting a system property that's passed at runtime:
apply plugin: 'java'
group = 'example'
version = '0.0.1-SNAPSHOT'
repositories {
mavenCentral()
// mavenLocal()
// maven { url 'http://localhost/nexus/content/groups/public'; }
}
dependencies {
testCompile 'junit:junit:4.8.2'
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Looking for files NOT owned by someone
...the -exec flag -> find . ! -user foo -exec chown <owner>:<group> {} \;
– pastephens
Feb 12 '15 at 15:06
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AngularJS validation with no enclosing
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You may use the ng-form angular directive (see docs here) to group anything, even outside a html form. Then, you can take advantage from angular FormController.
<div class="form-group" ng-form name="myForm">
<input name="myInput" type="text" class="form-control" ng-model=...
Using PHP with Socket.io
... do its non-blocking thing.
Here is something to get you started: http://groups.google.com/group/socket_io/browse_thread/thread/74a76896d2b72ccc
Personally I have express running with an endpoint that is listening expressly for interaction from PHP.
For example, if I have sent a user an email, I...
How to get a string after a specific substring?
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If you want to do this using regex, you could simply use a non-capturing group, to get the word "world" and then grab everything after, like so
(?:world).*
The example string is tested here
share
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How to get current memory usage in android?
...line);
if (m.find()) {
String name = m.group(1);
String size = m.group(2);
if (name.equalsIgnoreCase("MemTotal")) {
result.total = Long.parseLong(size);
} else if (name.equalsIgno...
Difference between abstraction and encapsulation?
...point’s coordinate, but we don’t materially abstract them away, beyond grouping them logically.
And here’s an example of abstraction that’s not encapsulation:
T pi<T> = 3.1415926535
This is a generic variable pi with a given value (π), and the declaration doesn’t care about the ...